SIGNAL PROCESSING CIRCUIT FOR ELECTROSTATIC CAPACITY TYPE TOUCH PANEL
    1.
    发明申请
    SIGNAL PROCESSING CIRCUIT FOR ELECTROSTATIC CAPACITY TYPE TOUCH PANEL 有权
    用于静电容量型触摸面板的信号处理电路

    公开(公告)号:US20110122089A1

    公开(公告)日:2011-05-26

    申请号:US12948180

    申请日:2010-11-17

    IPC分类号: G06F3/044

    CPC分类号: G06F3/044 G06F3/0418

    摘要: This invention offers a signal processing circuit of an electrostatic capacity type touch panel which is capable of switching between a differential input mode and a single input mode and has an extended adjustable range of an offset in the single input mode. The signal processing circuit of this invention includes a first sensor circuit of a differential input type, a second sensor circuit of a single input type, a third and fourth electrostatic capacitors that are variable capacitors for calibration to adjust the offset in an output voltage of the first sensor circuit, and a switching control circuit to control so as to put in operation one of the first and second sensor circuits. The switching control circuit also controls so that the third and fourth electrostatic capacitors for calibration are connected in parallel to each other when the second sensor circuit is put in operation.

    摘要翻译: 本发明提供一种静电电容式触摸面板的信号处理电路,其能够在差分输入模式和单一输入模式之间切换,并且在单个输入模式中具有扩展的偏移调整范围。 本发明的信号处理电路包括差分输入型的第一传感器电路,单输入型的第二传感器电路,第三和第四静电电容器,其是用于校准的可变电容器,用于调整输出电压的偏移 第一传感器电路和切换控制电路,以控制第一和第二传感器电路中的一个。 开关控制电路也进行控制,使得第三传感器电路和第四静电电容器在第二传感器电路投入运行时彼此并联。

    SIGNAL PROCESSING CIRCUIT FOR ELECTROSTATIC CAPACITOR TYPE TOUCH SENSOR
    2.
    发明申请
    SIGNAL PROCESSING CIRCUIT FOR ELECTROSTATIC CAPACITOR TYPE TOUCH SENSOR 有权
    静电电容式触摸传感器的信号处理电路

    公开(公告)号:US20100307840A1

    公开(公告)日:2010-12-09

    申请号:US12794349

    申请日:2010-06-04

    IPC分类号: G06F3/044

    CPC分类号: G06F3/044 G06F3/0416

    摘要: The invention realizes certainly detecting two or more positions on a touch panel that are touched at the same time. A drive circuit selects one from X lines, and supplies an alternating drive voltage to the selected line. A multiplexer selects a first sense line and a second sense line from Y lines that extend to cross the X lines. A charge amplifier outputs an output voltage corresponding to a difference between a first capacitance between the first sense line and the X line selected by the drive circuit and a second capacitance between the second sense line and the X line selected by the drive circuit. A touch position is then detected based on the output voltage of the charge amplifier.

    摘要翻译: 本发明实现了同时触摸的触摸面板上的两个以上的位置。 驱动电路从X线选择一个,并向所选择的线提供交替的驱动电压。 复用器从Y线延伸以跨越X线选择第一感测线和第二感测线。 电荷放大器输出对应于由驱动电路选择的第一感测线和X线之间的第一电容之间的差的输出电压和由驱动电路选择的第二感测线和X线之间的第二电容。 然后基于电荷放大器的输出电压检测触摸位置。

    Inverting amplifier
    3.
    发明申请
    Inverting amplifier 审中-公开
    反相放大器

    公开(公告)号:US20080024226A1

    公开(公告)日:2008-01-31

    申请号:US11878439

    申请日:2007-07-24

    IPC分类号: H03G3/00

    摘要: A conventional inverting amplifier has a problem that an oscillation may be induced depending on a structure of an internal amplifier. This invention offers an inverting amplifier having a multi-stage amplifier that is provided with a first transistor that amplifies an input signal, a second transistor that amplifies an output signal of the first transistor, a third transistor that amplifies an output signal of the second transistor and an internal feedback resistor that feeds back an output signal of the third transistor to an output node of the first transistor. With the structure described above, a required gain can be set without inducing oscillation, because a gain of the multi-stage amplifier composed of three-stage transistors can be reduced.

    摘要翻译: 常规的反相放大器具有根据内部放大器的结构可以产生振荡的问题。 本发明提供一种具有多级放大器的反相放大器,该多级放大器设置有放大输入信号的第一晶体管,放大第一晶体管的输出信号的第二晶体管,放大第二晶体管的输出信号的第三晶体管 以及将第三晶体管的输出信号反馈到第一晶体管的输出节点的内部反馈电阻器。 利用上述结构,由于可以减少由三级晶体管组成的多级放大器的增益,所以可以设置所需的增益而不引起振荡。

    Signal processing device of touch panel
    4.
    发明授权
    Signal processing device of touch panel 有权
    触摸屏信号处理装置

    公开(公告)号:US08525810B2

    公开(公告)日:2013-09-03

    申请号:US12652334

    申请日:2010-01-05

    IPC分类号: G06F3/045

    CPC分类号: G06F3/044 G06F3/0416

    摘要: There is offered a signal processing device of touch panel using an electrostatic capacity, which realizes improvement in noise tolerance and linear detection. An excitation pad, a first touch pad and a second touch pad are disposed on a substrate in a way that the excitation pad is interposed between the first and second touch pads. On the other hand, an alternating current power supply that provides the excitation pad with an alternating voltage through a wiring is provided on a sensor IC side of the signal processing device of touch panel. Also, there is provided an electric charge amplifier. The first touch pad is connected to a non-inverting input terminal (+) of the electric charge amplifier through an wiring, while the second touch pad is connected to an inverting input terminal (−) of the electric charge amplifier through a wiring.

    摘要翻译: 提供了使用静电电容的触摸面板的信号处理装置,实现了噪声容限和线性检测的改善。 励磁焊盘,第一触摸板和第二触摸板以激励焊盘介于第一和第二触摸板之间的方式设置在基板上。 另一方面,在触摸面板的信号处理装置的传感器IC侧设置有通过配线向激励焊盘提供交流电压的交流电源。 另外,还提供了一种电荷放大器。 第一触摸板通过布线连接到电荷放大器的非反相输入端(+),而第二触摸板通过布线连接到电荷放大器的反相输入端( - )。

    SIGNAL PROCESSING CIRCUIT OF ELECTROSTATIC CAPACITY TYPE TOUCH PANEL
    5.
    发明申请
    SIGNAL PROCESSING CIRCUIT OF ELECTROSTATIC CAPACITY TYPE TOUCH PANEL 有权
    静电容量型触摸屏信号处理电路

    公开(公告)号:US20100309165A1

    公开(公告)日:2010-12-09

    申请号:US12794281

    申请日:2010-06-04

    IPC分类号: G06F3/044

    CPC分类号: G06F3/044 G06F3/0416

    摘要: There is offered a signal processing circuit of the electrostatic capacity type touch panel which can eliminate duplication of components to reduce a cost of the components. A touch panel 51 is formed on a glass substrate 200. Sensor circuits 50A and 50B are arrayed in a Y direction, and sensor circuits 50C and 50D are arrayed in an X direction on the periphery of the touch pane 51. Serial clock terminals SCL of the sensor circuits 50A-50D are connected to a serial clock line 53 all together, while serial data terminals SDA are connected to a serial data line 54 all together. A microcomputer 52 is disposed on a PCB substrate outside the glass substrate 200. Data communication can be performed between the microcomputer 52 and the sensor circuits 50A-50D through the serial clock line 53 and the serial data line 54.

    摘要翻译: 提供了一种静电电容型触摸面板的信号处理电路,可以消除组件的重复,从而降低组件的成本。 触摸面板51形成在玻璃基板200上。传感器电路50A和50B沿Y方向排列,传感器电路50C和50D沿触摸窗格51的周边上的X方向排列。串行时钟端子SCL 传感器电路50A-50D一起连接到串行时钟线53,而串行数据终端SDA一起连接到串行数据线54。 微计算机52设置在玻璃基板200外部的PCB基板上。数据通信可以通过串行时钟线53和串行数据线54在微计算机52和传感器电路50A-50D之间进行。

    SIGNAL PROCESSING DEVICE OF TOUCH PANEL
    6.
    发明申请
    SIGNAL PROCESSING DEVICE OF TOUCH PANEL 有权
    触摸面板的信号处理装置

    公开(公告)号:US20100171723A1

    公开(公告)日:2010-07-08

    申请号:US12652334

    申请日:2010-01-05

    IPC分类号: G06F3/044

    CPC分类号: G06F3/044 G06F3/0416

    摘要: There is offered a signal processing device of touch panel using an electrostatic capacity, which realizes improvement in noise tolerance and linear detection. An excitation pad, a first touch pad and a second touch pad are disposed on a substrate in a way that the excitation pad is interposed between the first and second touch pads. On the other hand, an alternating current power supply that provides the excitation pad with an alternating voltage through a wiring is provided on a sensor IC side of the signal processing device of touch panel. Also, there is provided an electric charge amplifier. The first touch pad is connected to a non-inverting input terminal (+) of the electric charge amplifier through an wiring, while the second touch pad is connected to an inverting input terminal (−) of the electric charge amplifier through a wiring.

    摘要翻译: 提供了使用静电电容的触摸面板的信号处理装置,实现了噪声容限和线性检测的改善。 励磁焊盘,第一触摸板和第二触摸板以激励焊盘介于第一和第二触摸板之间的方式设置在基板上。 另一方面,在触摸面板的信号处理装置的传感器IC侧设置有通过配线向激励焊盘提供交流电压的交流电源。 另外,还提供了一种电荷放大器。 第一触摸板通过布线连接到电荷放大器的非反相输入端(+),而第二触摸板通过布线连接到电荷放大器的反相输入端( - )。

    Magnetic sensor signal detection circuit using a counter
    7.
    发明授权
    Magnetic sensor signal detection circuit using a counter 有权
    磁传感器信号检测电路采用计数器

    公开(公告)号:US07652472B2

    公开(公告)日:2010-01-26

    申请号:US11531198

    申请日:2006-09-12

    IPC分类号: G01R33/04

    CPC分类号: G01R33/04

    摘要: A signal detection circuit of a magnetic sensor includes a differential amplifier to which an output voltage of a detecting coil of the magnetic sensor is applied; a comparator to which the output of the differential amplifier is input, the comparator outputting a digital signal having one logical value during a time period between two adjacent spike voltages included in the output voltage; and a counter that counts the number of pulses of a clock in a period when the output of the comparator has one logical value.

    摘要翻译: 磁传感器的信号检测电路包括施加有磁传感器的检测线圈的输出电压的差动放大器; 输入差分放大器的输出的比较器,所述比较器在包括在所述输出电压中的两个相邻尖峰电压之间的时间段期间输出具有一个逻辑值的数字信号; 以及在比较器的输出具有一个逻辑值的周期中对计数脉冲数的计数器。

    Method of manufacturing purified products of liquid medium-chain alkyl-modified polydimethysiloxane and cosmetics prepared therefrom
    8.
    发明授权
    Method of manufacturing purified products of liquid medium-chain alkyl-modified polydimethysiloxane and cosmetics prepared therefrom 有权
    制备液体中链烷基改性聚二甲基硅氧烷的纯化产物及其制备的化妆品的方法

    公开(公告)号:US07943720B2

    公开(公告)日:2011-05-17

    申请号:US10598108

    申请日:2005-02-16

    IPC分类号: C08G77/08

    摘要: A method of manufacturing a purified product of a liquid medium-chain alkyl-modified polydimethylsiloxane that is free of a specific (unpleasant) odor and is practically odorless, the method comprising the steps of: [A] synthesizing a liquid medium-chain alkyl-modified polydimethylsiloxane by carrying out a hydrosilylation reaction between a hydrosilyl-containing polydimethylsiloxane and an α-olefin with 4 to 18 carbon atoms; and [B] subjecting a crude product of the liquid medium-chain alkyl-modified polydimethylsiloxane obtained in preceding step [A] to an odor-removing treatment by conducting a hydrogenation reaction which is carried out in the presence of a hydrogenation catalyst.

    摘要翻译: 一种制造液体中链烷基改性聚二甲基硅氧烷的纯化产物的方法,其不含特定(不愉快)的气味,实际​​上是无臭的,该方法包括以下步骤:[A]合成液体中链烷基 - 通过在含氢硅烷基的聚二甲基硅氧烷和具有4至18个碳原子的α-烯烃之间进行氢化硅烷化反应来改性聚二甲基硅氧烷; 和[B]通过进行在氢化催化剂存在下进行的氢化反应使前述步骤[A]中得到的液体中链烷基改性聚二甲基硅氧烷的粗产物进行气味除去处理。

    CAPACITANCE VARIATION DETECTION CIRCUIT AND SEMICONDUCTOR DEVICE
    9.
    发明申请
    CAPACITANCE VARIATION DETECTION CIRCUIT AND SEMICONDUCTOR DEVICE 审中-公开
    电容变化检测电路和半导体器件

    公开(公告)号:US20100066390A1

    公开(公告)日:2010-03-18

    申请号:US12449721

    申请日:2008-02-13

    IPC分类号: G01R27/26

    摘要: In a hybrid IC including, a semiconductor chip including a capacitance sensor and a semiconductor chip including a detection circuit for detecting a variation in capacitance, the number of bonding wires required between the chips is reduced. A rear surface of a sensor chip is connected to an electrode on a surface of a support substrate on which the sensor chip is mounted. A potential at one terminal of a capacitor of a sensor is set at a reference potential. A pad of another terminal is formed on a surface of the sensor chip. A detection circuit chip includes: a pad to serve as a connection terminal of the capacitor; a bias circuit connected to a terminal, for outputting a bias voltage to charge the capacitor; and a detection circuit connected to the terminal through a capacitor, for detecting a variation in potential of the terminal of the capacitor as an electrical signal. The chips are interconnected through a bonding wire between the pad of the terminal and the pad of the terminal.

    摘要翻译: 在包括具有电容传感器的半导体芯片和包括用于检测电容变化的检测电路的半导体芯片的混合IC中,芯片之间所需的接合线数量减少。 传感器芯片的后表面连接到安装有传感器芯片的支撑基板的表面上的电极。 将传感器的电容器的一端的电位设定为基准电位。 在传感器芯片的表面上形成另一端子的焊盘。 检测电路芯片包括:用作电容器的连接端子的焊盘; 连接到端子的偏置电路,用于输出偏置电压以对电容器充电; 以及通过电容器连接到端子的检测电路,用于检测作为电信号的电容器的端子的电位变化。 芯片通过端子的焊盘和端子的焊盘之间的接合线互连。

    Signal Detection Circuit
    10.
    发明申请
    Signal Detection Circuit 有权
    信号检测电路

    公开(公告)号:US20080292044A1

    公开(公告)日:2008-11-27

    申请号:US12123383

    申请日:2008-05-19

    IPC分类号: G06M3/00

    CPC分类号: G01R33/04

    摘要: A signal detection circuit comprising: a differential amplifier to which an output voltage of a detection coil of a magnetic sensor is to be applied; a comparator to output a digital signal being at one logic level in a period between two spike-shaped voltages adjacent to each other in the output voltage of the differential amplifier; and a count circuit to perform a count operation in a period during which the comparator outputs the digital signal of the one logic level, the count circuit including a first counter to count a first clock having a predetermined frequency, a second counter to count a second clock being equal in frequency to and different in phase from the first clock, the second counter having the same number of bits as the number of bits of the first counter, and an adder to add count values of the first and the second counter.

    摘要翻译: 一种信号检测电路,包括:差分放大器,用于施加磁传感器的检测线圈的输出电压; 比较器,用于在所述差分放大器的输出电压中彼此相邻的两个尖峰状电压之间的周期内输出处于一逻辑电平的数字信号; 以及计数电路,用于在所述比较器输出所述一个逻辑电平的数字信号的周期内执行计数操作,所述计数电路包括对具有预定频率的第一时钟进行计数的第一计数器,计数第二计数器的第二计数器 时钟在频率上与第一时钟相位相同且与第一时钟不同,第二计数器具有与第一计数器的比特数相同的比特数,以及加法器,用于添加第一和第二计数器的计数值。